No need to preheat, observe and use at any time; Hand-held operation, flexible observation position. Observe the skin lesions, color and fluorescence reaction of vitiligo, psoriasis, acne and other skin. 16 LED light sources with high brightness, uniform light source and long service life. There is no need to worry about the risk of damage of the wood lamp. With charging function, USB/TYPE-C interface; Built-in lithium battery, ultra-long endurance. Usage: 1. First, turn on the power button on the handle of the medical magnifying glass and light the ring light. 2. Place a medical magnifying glass close to the skin to observe the skin lesions, color and fluorescence reaction of vitiligo, psoriasis, acne and other skin diseases. 3. After use, press the power button to turn off the power. Scope of application - It is used to increase the operator's viewing angle and facilitate the observation of object details. Storage method: This product should be wiped clean and put into the instrument box, stored in the relative humidity is not more than 80%, no gas, well ventilated, dry and cool room. If disinfection is required, please take a small amount of medical grade chloric acid disinfectant with medical absorbent cotton vegetables under the condition that the power key of medical magnifying glass is off, and gently wipe the of the shell of medical magnifying glass for disinfection. Product Name:Woods lamp Models:-B200 Net weight:398g Eyepiece range:Viewing range through equipment eyepiece equal 20cm Magnification: equal 1.5 times Working distance:10cm2cm Lens diameter:652mm Light source parameters:band:365nm5nm; strength:1-10mW/cm Light source type:LED ring cold light source Number of light sources:16 Light source life:About 15000 hours Note: 1. After the instrument is used, please put it in the instrument box and store it in a ventilated and dry place. 2. When there is dust on the lens , please gently brush it off with a soft brush or gently wipe it with lens paper. Do not wipe with hard paper or unclean objects, and avoid ethanol-based, amino- or -based cleaners. Never immerse a medical magnifying glass in liquid. 3. Do not use in a high temperature, humidity, full of water vapor or direct sunlight environment. 4. Do not disassemble the medical magnifying glass without authorization. 5. Do not look directly at the light source, patients must close their eyes during skin examination. 6. Infants and minor patients should be used under adult supervision. Colour:Gray Material:Plastic Package Contents: 1 * Woods Lamp Skin Analyzer 1 * USB Cable 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.